2deep4u is an abbreviation of "too deep for you," indicating that a piece of artwork or internet media may be too profound or obscure in nature for its audience to appreciate. It is most frequently used on Tumblr as an indictment of pomposity that often prevails in the hipster subculture, or in sarcastic defense of a niche subgenre in music or visual art.

Hashtag of the Day is a feature series following the latest trending hashtags on Twitter, Tumblr and Instagram.